• Entrepreneur and philanthropist Rick Sontag, former president of Unison Industries, will be the guest speaker at the JAX Chamber CEO Nexus Forum from 7:30-9 a.m. June 28 at the JAX Chamber Hadlow Room. Sontag manages The Spring Bay Companies investment group and is president of The Sontag Foundation. Sontag, with bachelor’s and master’s degrees in physics, also has an MBA from Harvard Business School. He bought and expanded Unison, which makes aviation engine components, selling it a decade ago to GE. For information, email [email protected].